#include <bits/stdc++.h>
using namespace std;
int main ()
{
    unordered_map<std::string,int> mymap = {
            { "Mars", 3000},
            { "Saturn", 60000},
            { "Jupiter", 70000 } };

    mymap.at("Mars") = 3396;
    mymap.at("Saturn") += 272;
    mymap.at("Jupiter") = mymap.at("Saturn") + 9638;

    for (auto& x: mymap) {
        cout << x.first << ": " << x.second << std::endl;
    }
    return 0;
}
